- Playground
- Playhouse
- Playmates
- Plaza
- Plaza Auto Sales
- Plaza Beauty Salon
- Plaza Cafe
- Plaza Cleaners
- Plaza de LA RAZA Head Start
- Plaza Deli
- Plaza Diner
- Plaza Hotel
- Plaza Jewelers
- Plaza Laundry
- Plaza Liquors
- Plaza Market
- Plaza Mortgage
- Plaza Motel
- Plaza Optical
- Plaza Pharmacy
- Plaza Restaurant
- Plaza Salon
- Plaza Tire
- Plaza Tire Service
- Plaza Video
- Pleasant Valley Apartments
- Pleasant View Apartments
- Pleasants Hardware
- Pleasure Pools
- Pleasures
- Pliant Corporation
- PLM Trailer Leasing
- PLS Financial
- Plum Tree
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- Plumas Bank
- Plumber
- Plumber's Supply
- Plumbing